diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 56326f38fe8a..a022e930bd8e 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -39,6 +39,7 @@
 #include <linux/lapb.h>
 #include <linux/init.h>
 
+#include <net/netdev_lock.h>
 #include <net/x25device.h>
 
 static const u8 bcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
@@ -372,6 +373,7 @@ static void lapbeth_setup(struct net_device *dev)
 	dev->hard_header_len = 0;
 	dev->mtu             = 1000;
 	dev->addr_len        = 0;
+	netdev_lockdep_set_classes(netdev);
 }
 
 /*	Setup a new device.